Home / 354,107.56-488,656.04-192,959.36

Finding the Fourth Proportional to 354,107.56, 488,656.04 and 192,959.36

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Solution

The fourth proportional to 354,107.56, 488,656.04 and 192,959.36 is: 266,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,107.56 : 488,656.04 = 192,959.36 : x
  2. Step 2: Convert to fraction form
    354,107.56/488,656.04 = 192,959.36/x
  3. Step 3: Cross multiply
    354,107.56x = 488,656.04 × 192,959.36
  4. Step 4: Simplify right side
    354,107.56x = 94,290,756,738.53
  5. Step 5: Solve for x
    x = 94,290,756,738.53/354,107.56
  6. Step 6: Final answer
    x = 266,277.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.